Posted by LIbby on .
You invested $1 0,000 on two stocks paying 8% and 10% annual interest, respectively. At the
end of the year, the total interest fiom these investments was $940. How much was invested at
each rate?

Algebra 
Reiny,
amount invested at first  x
amount invested at 10%  10000x
solve for x ....
.08x + .10(10000x) = 940
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